PMC:7205724 / 275-283
Annnotations
LitCovid-sample-Enju
{"project":"LitCovid-sample-Enju","denotations":[{"id":"T39","span":{"begin":2,"end":5},"obj":"NN"},{"id":"T40","span":{"begin":6,"end":8},"obj":"IN"}],"relations":[{"id":"R35","pred":"arg1Of","subj":"T39","obj":"T40"}],"text":"e use of"}